Bake-oven.



S. P. FRIES,

BAKE OVEN.

APPLICATION FILED JUNE 25. Hit).

1,292,749. Patented Jan. 28, 1919.

AT-ronvwx SOREN LP. FRIES, OF SEATTLE, WASHINGTON.

BAKE-OVEN.

Specification of Letters Patent.

Patented Jan. 28, 1919.

Application filed June 25, 1918. Serial No. 241,726.

To all whom it may concern:

Be it known that I, SOREN P. FRIES, citizen of the United States, residing at Seattle, in the county of King and State of Washington, have invented certain new and useful Improvements in Bake-Ovens, of which the following is a specification.

This invention relates to improvements in bake ovens and has for its principal object to improve upon the construction as illustrated in Patent No. 1199929 issued to John Scheer, Oct. 3, 1916, in that the uptakes are arranged to give better circulation of heat and the fines are arranged to be accessible from the outside of the oven for cleaning.

Other objects will appear as my invention is more fully explained in the following specification, illustrated in the accompanying drawings and pointed out in the appended claim.

In the drawings Figure 1 is a cross sectional elevation of the oven along line wm of Fig. 2. Fig. 2 is a half sectional plan along line A B of Fig. 1.

Referring more particularly to the drawings numeral 1 indicates solid longitudinal walls of the oven intermediate of which is a fire box 2 and on either outside of which extend horizontal flues 3 and beyond them returns 1. Returns A terminate at the front of the oven in uptakes 5 which are not vertical as in Scheers patent but are inclined outwardly past a longitudinally arched air space 6 and a baking chamber 7 and terminate in upper flues 8 which turn toward the rear of the oven in a return 9 and again forward in a flue 10. From flue 10 the gases of the fire return toward the rear in a return 11 and pass out of a stack flue 12. Clean out passages 13 lead through the rear wall of the oven and connect with flue 10 and return 11 directly thereby making cleaning of flue 10 and return 11 easy. It will be noted that applicant has reduced the number of clean out passages such as 13 and a forward one 14 to a minimum and at the same time has made all flues and returns accessible. The bottom of the baking chamber 7 is supported on a series of arches 6, spaced from the top surface of the wall of the fire box, and supported on longitudinal I beams or girders 15, as clearly shown in Fig. 1.

While I have shown a particular form of embodiment of my invention, I am aware that many minor changes therein will readily suggest themselves t others skilled in the art, without departing from the spirit and scope of the invention, and I therefore desire to avoid being limited to the exact form shown and described.

Having described my invention, what I claim as new and desire to protect by Letters Patent, is i A bake oven of the character described comprising a fire box contained in integral masonry, the walls of the latter on opposite sides of the fire box having horizontal flues which communicate with the rear of said fire box, the walls of the masonry having outside horizontal flues adjacent to and parallel with the first mentioned flues and communicating with the latter at the forward ends, an oven formed in the masonry above the fire box, the masonry above the oven having formed therein lateral flues which communicate with two rearwardly extending flues located adjacent the center of the structure, each of said last mentioned flues communicating at their forward ends with a rearwardly extending flue, and each of the latter rearwardly extending flues communicating with a forwardly extended outside flue, a chimney communicating with each outside flue above the oven, the walls of the masonry being provided with two downwardly and inwardly inclined fiues which connect the lateral flues above the oven with the rear ends of the outside horizontal fiues adjacent the fire box, the walls of the structure having cleaning openings in line with the outside flue adjacent the fire box and the outside and rearwardly extending flues above the oven.

In testimony whereof I aflix my signature in the presence of two witnesses.

SOREN P. FRIES.

Witnesses:

MARGUERITE LnYnA,

GENEVA ELDER. e

Gopiel of this patent may be obtained for five cents each, by addressing the0ommiss1on'er of Patents, Washington, D. 0. 

